Finding the Fourth Proportional to 9,308.54, 12,845.46 and 5,116.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.54 : 12,845.46 = 5,116.76 : x
2. Step 2: Convert to fraction form
   9,308.54/12,845.46 = 5,116.76/x
3. Step 3: Cross multiply
   9,308.54x = 12,845.46 × 5,116.76
4. Step 4: Simplify right side
   9,308.54x = 65,727,135.91
5. Step 5: Solve for x
   x = 65,727,135.91/9,308.54
6. Step 6: Final answer
   x = 7,060.95